Penyelesaian
(sec x + tan x)(1 - sin x)
= sec x(1) + sec x (- sin x) + tan x(1) + tan x(- sin x)
= sec x - + tan x -
= sec x - tan x + tan x -
= sec x -
= -
=
= cos x
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Penyelesaian
(sec x + tan x)(1 - sin x)
= sec x(1) + sec x (- sin x) + tan x(1) + tan x(- sin x)
= sec x -
+ tan x - 
= sec x - tan x + tan x -
= sec x -
=
- 
=
=
= cos x
Detail Tambahan
→ Semoga Membantu ←